maanvpatel maanvpatel
  • 29-03-2015
  • Mathematics
Answered

what is 20x20? how do you know? Can you explain.

Answer :

ashleighrobins ashleighrobins
  • 29-03-2015
400, because 2*2 is 4 now add your two 0s and you get 400 hope that wasnt confusing to much 
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Arayawilliams Arayawilliams
  • 29-03-2015
It is 400. You multiply the first numbers and then add the remaining zeros. For example. 500x500 would be 5x5=25 including the 4 zeros in the two 500's making 500x500=250000. Hope that makes sense.
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